IS4N46XSM

Overview

The IS4N46XSM is a single-channel optoisolator manufactured by Isocom Components 2004 LTD. It features an infrared LED input paired with a Darlington transistor output that includes a base terminal for enhanced control and speed. The device provides high isolation capability, rated at 5300 Vrms, ensuring reliable signal transmission across isolated circuits. This component is designed for applications requiring robust electrical separation between input and output stages.

Feature Summary

• Integrates a Darlington phototransistor output with a dedicated base pin for improved switching performance and controllability.
• Provides high-voltage electrical isolation between the input LED and output transistor to protect sensitive circuitry.
• Utilizes an infrared emitting diode coupled with a silicon photodetector for efficient optical signal transfer.

Applications

• Industrial motor control systems requiring galvanic isolation
• Power supply feedback loops for voltage regulation
• Solid-state relay driver circuits

Procurement Notes

Verify the specific suffix and package variant against the manufacturer's current datasheet before ordering. Confirm that the 5300 Vrms isolation rating meets your system's safety requirements. Ensure compatibility with the intended operating temperature range and input current specifications for reliable long-term operation in your design.

Selection Notes

Select this component when a Darlington output configuration is required for higher gain or faster switching compared to standard phototransistors. The integrated base connection allows for external biasing to optimize response time. Consider the 5300 Vrms isolation level for applications demanding significant voltage separation between control and load sides.

Part Context

This part belongs to the family of infrared optoelectronic devices produced by Isocom Components 2004 LTD. The company specializes in optocouplers and optoswitches, leveraging decades of expertise in infrared technology. The IS4N46XSM represents their offering in the high-isolation, Darlington-output segment of the market.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Verify pinout compatibility and electrical parameters such as CTR and isolation voltage if considering alternative manufacturers' components.

FAQ

What type of output does the IS4N46XSM use?

It uses a Darlington phototransistor output with a base terminal for external control.

What is the isolation voltage rating?

The device is rated for 5300 Vrms isolation between input and output.